Use the app to stream any audio playing on your macOS, from music services like Spotify and Pandora, web-based audio from Safari or Chrome, or anything else you like. You can even send to iOS devices and other computers. Send music services like Spotify or web-based audio like Pandora wirelessly to all sorts of devices, including the Apple TV, Google Chromecast, and Bluetooth speakers. Stream any audio from your Mac all around your network. You can even stream audio from audio devices like RadioSHARK, XM and Sirius radios, around your house. Send audio from web-based applications like Pandora, Last.fm, and other to the AirPort Express. With this tool you can take audio from any application and send to your AirPort Express units, as well as Apple TVs, and even other Macs and PCs running Airfoil Speakers! Transmit audio from RealPlayer, Windows Media Player, QuickTime Player, and other media players. Airfoil for Mac allows you to send any audio to AirPort Express units, Apple TVs, and even other Macs and PCs, all in sync! It's your audio - everywhere.